CN113852219A

CN113852219A - Wireless charging system and wireless charging implementation method

Info

Publication number: CN113852219A
Application number: CN202010601337.3A
Authority: CN
Inventors: 韦书俊; 王东旭; 陈林
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-12-28
Also published as: US11764618B2; EP3930147A1; US20210408834A1

Abstract

The disclosure relates to a wireless charging system and a wireless charging implementation method. The system comprises: the charging device comprises a bearing surface, wherein a plurality of areas for placing devices to be charged are arranged above the bearing surface; the guide rail is positioned below the bearing surface and comprises a first direction track; the wireless charging module is arranged on the first direction track below the bearing surface; the wireless module that charges includes: a first sliding assembly and a charging unit; the driving module is positioned below the bearing surface and comprises a first driving assembly; the first driving assembly is connected with the first sliding assembly and used for driving the first sliding assembly to move along the first direction track to change the position of the wireless charging module. The whole bearing surface can become an effective area for wireless charging, the charging module is located below the bearing surface, and no line or charging plate is arranged on the bearing surface, so that real free 2D charging is realized, a user does not need to manually align the equipment to be charged to a charger below a desktop, and the spatial freedom degree of the current wireless charging is increased.

Description

Wireless charging system and wireless charging implementation method

Technical Field

The present disclosure relates to the field of wireless charging technologies, and in particular, to a wireless charging system and a wireless charging implementation method.

Background

The wireless charging technology based on Qi (wireless charging standard) in the current market is developed rapidly, the charging speed is faster and faster, and the user acceptance is higher and higher. However, the current Qi based charging products have some disadvantages that affect the user experience, such as:

1) the planar freedom degree of wireless charging is not enough, a user needs to align the mobile phone with the wireless charging coil, and the charging plate can be used for charging;

2) the charging plate needs to be placed on a table top, and the charging plate and the cable lead the table top to be messy;

3) the standard Qi may not support charging of multiple devices, and if there are multiple devices on the desktop, there are multiple charging boards, although the multi-channel multi-coil mode adopted in the prior art can support charging of multiple devices, the cost is increased, and the effective charging area is limited.

Disclosure of Invention

The disclosure provides a wireless charging system and a wireless charging implementation method.

According to a first aspect of embodiments of the present disclosure, there is provided a wireless charging system, including:

the charging device comprises a bearing surface, wherein a plurality of areas for placing devices to be charged are arranged above the bearing surface;

a guide rail located below the bearing surface, the guide rail comprising: a first direction track;

the wireless charging module is arranged on the first direction track below the bearing surface; the wireless module of charging includes: a first sliding assembly and a charging unit;

the driving module is positioned below the bearing surface; the driving module includes: a first drive assembly; the first driving assembly is connected with the first sliding assembly and used for driving the first sliding assembly to move along the first direction track to change the position of the wireless charging module.

Optionally, the guide rail further comprises:

a second direction rail installed on the first direction rail; the laying directions of the first direction track and the second direction track are different;

the drive module still includes: a second drive assembly;

the charging unit is installed on the second direction rail, and includes: a second slider assembly and a charging coil;

the second driving assembly is connected with the second sliding assembly and used for changing the position of the charging coil by driving the second sliding assembly to do orbital motion along the second direction.

Optionally, the wireless charging system further includes:

the bracket is used for fixing the first direction track below the bearing surface;

the charger is connected with the first direction rail, arranged on one side of the first direction rail and used for supplying power to the wireless charging module.

Optionally, the first direction track includes:

the first positive electrode rail is electrically connected with a positive electrode of the charger;

a first negative rail electrically connected to a negative electrode of the charger;

the second direction track includes:

a second positive rail electrically connected to the first positive rail;

and the second negative electrode rail is electrically connected with the first negative electrode rail.

Optionally, one wireless charging module includes: at least one charging unit; wherein the charging units each include: and a charging coil.

Optionally, the wireless charging system further includes:

the wireless communication module is positioned below the bearing surface and used for interacting with equipment to be charged on the bearing surface to perform wireless charging on a handshaking signal; the wireless communication module includes: at least three communication nodes which are positioned at preset positions and are not positioned on the same straight line;

the control module is positioned below the bearing surface, is respectively connected with the driving module and the wireless communication module, and is used for determining the position of the equipment to be charged on the bearing surface according to the signal strength of handshake signals received by at least three communication nodes and the positions of the at least three communication nodes, and providing driving signals for the driving module according to the determined positions;

the driving module is used for driving at least one wireless charging module to move along the guide rail according to the driving signal, wherein the charging range of at least one charging unit in the wireless charging module after moving on the guide rail contains the position of the equipment to be charged.

According to a second aspect of the embodiments of the present disclosure, a method for implementing wireless charging is provided, including:

determining the position of equipment to be charged on a bearing surface;

according to the position of the equipment to be charged, a charging unit in the wireless charging module is driven to move on a guide rail below the bearing surface, and the charging range of the charging unit after movement contains the position of the equipment to be charged.

Optionally, the wireless communication module includes: at least three communication nodes which are positioned at preset positions and are not positioned on the same straight line;

the determining the position of the device to be charged on the bearing surface comprises:

the at least three communication nodes receive handshake signals for performing wireless charging with equipment to be charged on the bearing surface in an interactive manner;

and determining the position of the equipment to be charged on the bearing surface according to the signal strength of the handshake signals received by the at least three communication nodes and the positions of the at least three communication nodes.

Optionally, the determining, according to the signal strength of the handshake signals received by the at least three communication nodes and the positions of the three communication nodes, the position of the device to be charged on the bearing surface includes:

determining distances from the equipment to be charged to the at least three communication nodes according to the signal strength of handshake signals received by the at least three communication nodes and the positions of the at least three communication nodes;

determining an alternative range of the equipment to be charged according to the central point of the communication node and the distance from the equipment to be charged to the communication node;

and determining the overlapping area of at least three alternative ranges as the position of the equipment to be charged on the bearing surface.

Optionally, the guide rail includes: a first directional guide rail and a second directional guide rail; the first direction guide rail and the second direction guide rail intersect;

the position according to the equipment of waiting to charge, the guide rail that the drive is wireless charging unit in the module of charging is in the loading surface below removes, the charging range of the unit of charging after the removal contains the position that the equipment of waiting to charge is located, include:

driving the wireless charging module and the second direction guide rail under the bearing surface to move along the first direction guide rail according to the position of the equipment to be charged;

and driving the moved charging unit in the wireless charging module to move along the second direction track to the position below the device to be charged according to the position of the device to be charged.

According to a third aspect of the embodiments of the present disclosure, there is provided a non-transitory computer-readable storage medium, wherein instructions, when executed by a processor of a mobile terminal, enable the mobile terminal to perform any one of the wireless charging implementation methods provided in the first aspect of the embodiments.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

the present disclosure includes: the wireless charging device comprises a bearing surface, a guide rail, a wireless charging module and a driving assembly, wherein the guide rail, the wireless charging module and the driving assembly are all positioned below the bearing surface, the structure is simple, and the bearing surface is not provided with wires and a charging plate, so that the problem that the bearing surface is messy due to the fact that the wires are charged on various bearing surfaces such as a desktop or a workbench is solved. Wherein, the equipment to be charged is arranged above the bearing surface, and a guide rail is arranged below the bearing surface; the wireless module of charging can move along the guide rail, so, the wireless module of charging is aimed at with the equipment of waiting to charge on the loading face through the removal of self and position to promote charging efficiency.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic diagram illustrating a wireless charging system according to an exemplary embodiment.

FIG. 2 is a schematic diagram of a load-bearing surface in accordance with an exemplary embodiment.

Fig. 3 is a schematic structural diagram of a wireless charging module according to an exemplary embodiment.

Fig. 4 is a schematic diagram illustrating another wireless charging system according to an example embodiment.

Fig. 5 is a schematic diagram illustrating a wireless communication module positioning a device to be charged according to an exemplary embodiment.

Fig. 6 is a flowchart illustrating a method for implementing wireless charging according to an example embodiment.

Fig. 7 is a flowchart illustrating a specific implementation of step S11 according to an exemplary embodiment.

Fig. 8 is a flowchart illustrating a specific implementation of step S22 according to an exemplary embodiment.

Fig. 9 is a flowchart illustrating a specific implementation at step S12 according to an exemplary embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

Fig. 1 is a schematic diagram illustrating a wireless charging system according to an exemplary embodiment. As shown in fig. 1, the wireless charging system may include: the carrying surface 100, the guide rail 200, the wireless charging module 300 and the driving module (not shown). The guide rail 200, the wireless charging module 300 and the driving module are all located below the carrying surface 100.

A plurality of areas for placing the devices to be charged 101 are arranged above the bearing surface 100; the guide rail 200 includes a first direction rail 210, see fig. 2; the wireless charging module 300 is installed on the first direction rail 210 under the carrying surface 100, and the wireless charging module 300 includes a first sliding assembly 310 and a charging unit 320; the driving module includes a first driving element 410, the first driving element 410 is connected to the first sliding element 310, and the first driving element 410 is configured to change the position of the wireless charging module 300 by driving the first sliding element 310 to move along the first direction rail 210.

It should be understood that the number of the wireless charging modules 300 is not limited by the wireless charging system of the present embodiment. The wireless charging system may include one wireless charging module 300 or a plurality of wireless charging modules, as shown in fig. 1, the wireless charging system includes a wireless charging module 1, a wireless charging module 2, and a wireless charging module n, where n is a positive integer greater than 1.

It should be understood that the wireless charging system of the present embodiment is not limited to the number of devices to be charged that can be supported. The wireless charging system of this embodiment may support one device 101 to be charged, or may support a plurality of devices to be charged, as shown in fig. 2, the wireless charging system may support the device 1 to be charged, the device 2 to be charged, and the device 3 to be charged simultaneously.

In the prior art, although there is a charging product placed under a desk Qi, the device to be charged is still manually placed at the position where the charging plates are overlapped, and the charging cannot be carried out at a free position, so that the use experience of a user is affected.

Therefore, in the present application, the whole carrying surface 100 can be used as an effective area for wireless charging, and the wireless charging modules 300 with unlimited number can support simultaneous charging of multiple devices on the desktop, as shown in fig. 2; and the wireless charging system is positioned under the bearing surface 100, and no wiring and charging panel are arranged on the bearing surface 100, so that real free 2D charging is realized.

For example, the carrying surface 100 may be a table top, a table, or a plane for carrying articles.

According to the wireless charging system, the wireless charging system is attached to the lower portion of the bearing surface 100, wireless charging is carried out on the device 101 to be charged on the bearing surface 100, and therefore a charger and a power line are not arranged on the bearing surface 100, the bearing surface 100 is tidier, and the use is more convenient. When the device to be charged needs to be charged, a user can directly place the device to be charged on the bearing surface 100, the first driving assembly 410 can drive the first sliding assembly 310 to move along the first direction track 210 to change the position of the wireless charging module 300, so that the wireless charging module 300 is close to the device to be charged 101 and charges the device to be charged, the user does not need to search for a charger aligned with the device to be charged, and charging is convenient and fast.

Here, the driving module may be a stepping motor, that is, the first driving assembly 410 is a stepping motor, and for example, may be a permanent magnet type two-phase motor, which is small in size and stable in control. The driving module can also be a linear motor, such as a linear motor, a driving motor and the like, the precision is high, the structure is simple, the weight is light, and the weight of the wireless charging system can be reduced. The present embodiment does not limit the specific structure of the driving module.

The first sliding member 310 of the wireless charging module 300 may be a metal spring, a metal collar, or the like. For example, a metal spring is wound around the first direction rail 210 and electrically connected to the first direction rail 210. For example, a metal collar is fitted over the first direction rail 210 and electrically connected to the first direction rail 210. The present embodiment does not limit the specific structure of the first sliding member 310.

Optionally, the guide rail needs to be conductive, and in order to ensure safety, an insulating layer is arranged on the outer side of the guide rail, so that safety of a user is guaranteed. The insulating layer may be made of resin, plastic, silicon rubber, or PVC, but the embodiment is not limited thereto.

The embodiment has a simple structure, the carrying surface is not provided with the wiring and the charging plate, and the whole carrying surface becomes an effective area for wireless charging, so that the problem that the carrying surface is messy due to the fact that the wiring is charged on various carrying surfaces such as a desktop or a workbench is solved. The wireless module of charging can remove along the guide rail, so, the wireless module of charging is aimed at with the battery charging outfit of treating on the loading face through the removal of self and position, need not that the user is manual will treat the battery charging outfit and aim at the charger of desktop below to promote charge efficiency.

In one embodiment, referring to fig. 3, the guide rail 200 may further include: second direction track 220.

The second direction rail 220 is installed on the first direction rail 210, and the charging unit 320 is installed on the second direction rail 220. Wherein the first direction track 210 and the second direction track 220 have different laying directions.

Here, the second direction rail 220 may slide on the first direction rail 210, and the charging unit 320 may slide on the second direction rail 220.

Alternatively, the second direction rail 220 is mounted on the first direction rail 210 by a metal spring, and the metal spring may surround the first direction rail 210, so that the second direction rail 220 slides on the first direction rail 210. The metal reed may also be electrically connected to both the second direction track 220 and the first direction track 210, for example, to a cable in the second direction track 220 and a cable in the first direction track 210, so that a voltage on the first direction track 210 may also be transmitted to the second direction track 220.

Of course, the cable inside the second direction track 220 may be directly connected to the cable of the first direction track 210, or the cable along the second direction track 220 may be connected to the cable laid along the first direction track 210, so that the voltage on the first direction track 210 may also be transmitted to the second direction track 220.

The charging unit 320 may be connected to the second direction rail 220 by a metal spring, and the metal spring may surround the second direction rail 220 so that the charging unit 320 slides on the second direction rail 220. The metal reed can also be electrically connected to a charging coil of the charging unit 320, so that the voltage on the second direction track 220 can also be transmitted to the charging coil, so that the charging unit 320 is charged to charge the device to be charged.

Of course, the cable inside the second direction track 220 may be directly connected to the charging coil of the charging unit 320, or the cable along the second direction track 220 may be connected to the charging coil of the charging unit 320, and the voltage on the second direction track 220 may also be transmitted to the charging coil of the charging unit 320.

Here, the insulating layers are disposed on the outer sides of the second direction rail 220, the first direction rail 210, and the charging unit 320, thereby preventing voltage leakage and ensuring user safety.

Optionally, the laying direction of the first direction track 210 and the laying direction of the second direction track 220 intersect and form an included angle, and the included angle may be 0 < θ < 180 °. For example, if the laying direction of first direction track 210 is perpendicular to the laying direction of second direction track 220, the angle is 90 °.

Referring to fig. 3, the driving module of the present embodiment may further include: a second drive assembly 420.

The charging unit 320 may include: a second slider assembly (not shown) and a charging coil 321.

The second driving assembly 420 is connected with the second sliding assembly, and the second driving assembly 420 is used for changing the position of the charging coil 321 by driving the second sliding assembly to move along the second direction track 220.

Through first drive assembly 410 and second drive assembly 420, can make charging coil 321 remove in the equidirectional, make charging coil 321 be close gradually and wait to charge the equipment to for waiting to charge the equipment, need not the position of the charging coil of user's manual change loading face below or need not to change the position of waiting to charge the equipment, charge convenient and fast.

Alternatively, the first drive assembly 410 and the second drive assembly 420 may both be stepper motors. The stepping motor on the first direction rail 210 may drive the wireless charging module 300 to move in a first direction, such as a horizontal direction. The stepping motor on the second direction track 220 may move the charging unit 320 in a second direction, such as a vertical direction.

In one embodiment, the wireless charging system may further include: a cradle 500 and a charger 600.

The bracket 500 is used for fixing the first direction rail 210 below the bearing surface 100; the charger 600 is fixed to one side of the first direction rail 210, and supplies power to the wireless charging module 300 through a cable in the guide rail or a cable laid along the guide rail.

The guide rail is fixed through the support 500, so that the wireless charging system is located under the bearing surface, the charger is arranged at one end, the use of a charging wire is reduced, the wiring and the charging panel are not arranged on the bearing surface, and the real free 2D charging is realized.

In one embodiment, referring to fig. 3, the first direction track 210 may include: a first positive rail 211 and a first negative rail 212. The second direction track 220 may include: a second positive rail 221 and a second negative rail 222.

The first positive rail 211 is electrically connected to the positive electrode of the charger 600; the first negative rail 212 is electrically connected to the negative pole of the charger 600. The second positive electrode rail 221 is electrically connected to the first positive electrode rail 211; the second negative rail 222 is electrically connected to the first negative rail 212.

The first positive electrode rail 211 and the first negative electrode rail 212 just support the wireless charging module 300 to slide in the first direction, and the voltage on the guide rail exists in the form of positive and negative electrodes, so that the safety is good. The second positive electrode rail 221 and the second negative electrode rail 222 can just support the charging unit 320 to slide in the second direction, and the voltages on the guide rails exist in the form of positive and negative electrodes, so that the safety is good, the service life of the charging coil can be prolonged, and the safety of a user is ensured.

In one embodiment, the wireless charging system may include at least one wireless charging module 300. A wireless charging module 300 may include: at least one charging unit 320. The charging unit 320 includes a charging coil 321.

As shown in fig. 4, the wireless charging system may include 4 wireless charging modules 300, a first wireless charging module 300 may include 3 charging units 320, a second wireless charging module 300 may include 2 charging units 320, a third wireless charging module 300 includes 3 charging units 320, and a fourth wireless charging module 300 may include 1 charging unit 320, that is, 9 charging units 320 are located under the carrying surface 100, and each charging unit 320 may be responsible for charging a device to be charged, so that the wireless charging system of this embodiment may support 9 charging paths at the same time.

If a user needs to support more devices to be charged simultaneously, the number of the charging units 320 can be increased arbitrarily, and the flexibility and the expansibility of the system are increased. Thus, a plurality of charging units 320 form an integral system, and when the wireless charging system detects that there is a device on the bearing surface 100 to be charged, the wireless charging system can automatically locate the accurate position of the device, and automatically move one of the charging units 320 to the lower part of the device to be charged for charging.

In one embodiment, the wireless charging system may further include: a wireless communication module and a control module (not shown), both of which are located under the carrying surface 100.

The wireless communication module is used for interacting with a device to be charged on the bearing surface 100 to perform wireless charging on a handshake signal. The wireless communication module includes: and at least three communication nodes which are positioned at preset positions and are not positioned on the same straight line.

It should be understood that the present embodiment does not limit the locations of at least three communication nodes. The positions of the at least three communication nodes are unchanged after being determined, and the positions of the at least three communication nodes are not on the same straight line.

At least three communication nodes all with be located the bearing surface 100 treat that the battery charging outfit is interactive carries out wireless charge's handshake signal, all receive handshake signal for the location treat the position of battery charging outfit. Illustratively, at least three communication nodes interact with the device to be charged via a BLE communication protocol.

The control module is respectively connected with the driving module and the wireless communication module (at least three communication nodes), and is configured to determine, according to the signal strength of the handshake signals received by the at least three communication nodes and the positions of the at least three communication nodes, the position of the device to be charged on the bearing surface 100, and provide a driving signal to the driving module according to the determined position.

Optionally, the determining, according to the signal strengths of the handshake signals received by the at least three communication nodes and the positions of the at least three communication nodes, the position of the device to be charged on the bearing surface includes:

and determining the distances from the equipment to be charged to the at least three communication nodes respectively according to the signal strength of the handshake signals received by the at least three communication nodes and the positions of the at least three communication nodes.

And determining the alternative range of the equipment to be charged according to the central point of the communication node and the distance from the equipment to be charged to the communication node.

Here, the at least three communication nodes may each be a bluetooth communication node, or a WiFi node. Each communication node at least comprises a receiving antenna and a sending antenna, wherein the receiving antenna is used for receiving a handshaking signal of equipment to be charged, and the sending antenna is used for sending the handshaking signal to the control module. In this way, the control module may determine the location of the device to be charged according to the signal strengths of the at least three handshaking signals and the locations of the at least three communication nodes. The present embodiment does not limit the specific structure of the communication node.

For example, a circle is drawn by taking the communication node as a circle center and taking the distance from the device to be charged to the communication node as a circle center, and a point where the three circles intersect is a position of the device to be charged on the bearing surface 100.

Specifically, referring to fig. 5, the wireless communication module includes a communication node a, a communication node B, and a communication node C. The equipment D to be charged sends handshake signals to the communication node A, the communication node B and the communication node C, and the communication node A, the communication node B and the communication node C send the received handshake signals to the control module.

The control module determines the distances from the equipment D to be charged to the three communication nodes according to the signal strength of the handshake signals received by the three communication nodes and the positions of the three communication nodes.

Then, a circle is drawn by taking the communication node a as a circle center, the distance from the device D to be charged to the communication node a is taken as a radius, the communication node B is taken as a circle center, the distance from the device D to be charged to the communication node B is taken as a radius, the communication node C is taken as a circle center, the distance from the device D to be charged to the communication node C is taken as a radius, and the intersection point of the three circles is the position of the device to be charged on the bearing surface 100, namely X (X, y, z).

The control module provides a drive signal to the drive module according to the determined position X (X, y, z). For example, the driving signal may include controlling the corresponding charging unit to move leftward by x units, to move downward by y units, and the like.

The driving module is configured to drive the at least one wireless charging module 300 to move along the guide rail 200 according to the driving signal, wherein a charging range of the at least one charging unit 320 in the wireless charging module 300 after moving on the guide rail 200 includes a location of the device to be charged.

Here, the fact that the charging range after the movement includes the position of the device to be charged means that: the charging range of the charging unit 320 moving on the guide rail 200 includes the position of the device to be charged, and does not necessarily need to be right under the device to be charged, as long as the device to be charged can receive voltage, thereby increasing the spatial degree of freedom of the current wireless charging.

Illustratively, referring to fig. 3, three charging units are located at preset default positions on the lower side of the desktop, and the control module knows the positions of the three communication nodes. After the equipment to be charged is placed on a desk, positioning communication is carried out through a BLE protocol and three communication nodes, the control module identifies the position of the equipment to be charged according to the signal strength of handshake signals received by the three communication nodes and the position of the three communication nodes, and sends a driving signal to the driving module based on the determined position of the equipment to be charged, the driving module controls one charging unit of the three charging units to automatically move according to the driving signal, for example, the charging unit moves horizontally and moves vertically, the charging range after movement contains the position of the equipment to be charged, wireless charging is carried out on the equipment to be charged on the desktop, the equipment to be charged can be taken up from the desk to stop charging, the equipment can be continuously charged after being placed at other positions on the desk, and accordingly higher electric quantity of the equipment can be maintained.

It should be understood that the present embodiment does not limit the sliding order of the charging unit 320. The first driving component of the driving module can be started first, and the second driving component can be started later; or the second driving component can be started first, and the first driving component is started later; it is also possible that the first drive assembly and the second drive assembly are activated simultaneously.

In this embodiment, before determining the position of the device to be charged on the supporting surface 100, it is further required to determine whether the device to be charged is located in a chargeable area, so that it is possible to avoid that the mobile phone is near a desktop, which may cause the system to be started by mistake.

Optionally, a charging range of each charging unit is obtained to obtain a charging area; recording the signal intensity of the handshake signals received by the wireless communication module in the charging area; when at least one of the signal strengths of the handshake signals meets a preset strength condition, it is determined that the device to be charged is placed in the charging region.

Specifically, at least three communication nodes perform pre-calibration according to an actual coverable charging area, and record a bluetooth intensity range table (including ranges in the XY direction and the Z direction) of at least three communication nodes in the coverable charging area. Whether the recorded Bluetooth intensity meets the preset intensity condition is determined, so that whether the device to be charged is on the desktop or not and whether the device to be charged is in a chargeable area or not are identified, and the system is prevented from being started by mistake due to the fact that the mobile phone is close to the desktop.

Illustratively, three communication nodes are pre-calibrated according to the actual coverable charging area. The control module group records the Bluetooth intensity range tables of three communication nodes in the chargeable area, including the Bluetooth intensity ranges in the X direction, the Y direction and the Z direction. If the recorded Bluetooth intensity meets the preset intensity condition, the device to be charged is determined to be on the desktop and in the chargeable area, the situation that the system is started by mistake due to the fact that the mobile phone is close to the desktop is avoided, and waste of electric quantity is avoided.

Optionally, the control module of this embodiment may further interact with a preset terminal to perform a handshake signal for wireless charging; the control module is used for providing a position driving signal for the driving module according to the received handshake signal; the driving module may also drive the at least one wireless charging module 300 to move along the at least one charging unit 320 in the guide rail 200 according to the position driving signal.

Illustratively, the user can be through the APP that predetermines the terminal, according to BLE agreement and the mutual signal of shaking hands that carries out wireless charging of control module group, APP is used for controlling the position of the unit that charges. The control module group receives the handshake signals sent by the APP, and sends position driving signals to the driving module group according to the handshake signals. And the driving module controls the position of the charging unit according to the position driving signal. If the user does not set the initial position of the charging unit, the charging unit will be placed according to the default position in the control module.

The control module may include a processor, a memory, and a communication unit. Wherein the memory may be configured to store various types of data to support operation at the device. Examples of such data include instructions for any application or method operating on the system, such as control signals, drive signals, and so forth. The memory may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

The wireless charging system can identify the position of the device to be charged on the desktop and carry out charging. The wireless charging system adopts a BLE communication protocol to position the position of the device to be charged on the desktop, the wireless charging system is attached to the lower portion of the desktop, and the three charging units are located at preset default positions on the lower side of the desktop, as shown in fig. 3.

The user can pass through BLE control charging unit's position through the APP, if not set for charging unit's initial position, will place according to the default position. After the equipment to be charged is placed on the table, the equipment to be charged is in positioning communication with the communication node through a BLE protocol, based on the identified target position, the wireless charging system automatically moves to the position right below the equipment to be charged according to the identified target position to wirelessly charge the equipment on the table top, the equipment can be taken up from the table to stop charging, and the equipment can continue to be charged after being placed at other positions on the table, so that the equipment can be maintained to be at higher electric quantity.

Pre-calibration of charging nodes: the three charging nodes are pre-calibrated according to an actual covered charging area, and three communication node Bluetooth intensity range tables (XY direction and Z direction ranges) in the chargeable area are recorded, so that whether the device to be charged is on a desktop or in the chargeable area is identified, and the system is prevented from being started by mistake due to the fact that a mobile phone is close to the desktop.

Default location of communication node: and a default rule is set, so that the three communication nodes are prevented from being positioned on the same straight line, and the positioning failure is avoided.

Positioning of the device to be charged: through not at the three communication node of same straight line, through bluetooth signal power, the circular region of three communication node signals, the nodical location of three circles waits the battery charging outfit.

Priority order of charging unit: after the system is started, if the equipment enters a chargeable area, the charging unit is moved to be close to the equipment to be charged according to the principle of proximity to carry out wireless charging.

The bearing surface 100 becomes a 2D plane capable of being charged freely, the whole ecological equipment on the bearing surface 100 gets rid of troubles of power lines, the superiority of wireless charging is fully played, and the use experience of a user is improved. The wireless charging system based on the bearing surface 100 can support simultaneous charging of multiple devices, and the number of the wireless charging modules 300 or the number of the charging units 320 can be increased arbitrarily, and each charging unit 320 can be automatically moved to the position of the device to be charged, so that a user does not need to manually align the device to be charged with a charger below a desktop, and the spatial degree of freedom of current wireless charging is increased.

Based on the foregoing embodiments, the present disclosure further provides a method for implementing wireless charging, and fig. 6 is a flowchart illustrating a method for implementing wireless charging according to an exemplary embodiment, where as shown in fig. 6, the method for implementing wireless charging includes the following steps.

In step S11, the position of the device to be charged on the carrying surface is determined.

In one embodiment, the wireless communication module comprises: and at least three communication nodes which are positioned at preset positions and are not positioned on the same straight line.

Further, referring to fig. 7, the specific implementation process of determining the position of the device to be charged on the bearing surface in step S11 includes:

in step S21, at least three communication nodes receive handshake signals for interacting with devices to be charged on the bearing surface to perform wireless charging.

In step S22, the position of the device to be charged on the bearing surface is determined according to the signal strengths of the handshake signals received by at least three communication nodes and the positions of at least three communication nodes.

In one embodiment, referring to fig. 8, the specific implementation procedure of determining the position of the device to be charged on the bearing surface according to the signal strengths of the handshake signals received by at least three communication nodes and the positions of the three communication nodes in step S22 includes:

in step S31, distances from the device to be charged to the at least three communication nodes are determined according to the signal strengths of the handshake signals received by the at least three communication nodes and the positions of the at least three communication nodes.

In step S32, according to the center point of the communication node, and the distance from the device to be charged to the communication node, a candidate range in which the device to be charged is located is determined.

In step S33, the overlapping areas of at least three of the candidate ranges are determined as the positions of the devices to be charged on the carrying surface.

In step S12, a guide rail of a charging unit in the wireless charging module is driven to move under the carrying surface according to the position of the device to be charged, and the charging range of the charging unit after movement includes the position of the device to be charged.

In one embodiment, the guide rail may include: a first directional guide rail and a second directional guide rail; the first direction guide and the second direction guide intersect. Referring to fig. 9, in step S12, the specific implementation process of driving the charging unit in the wireless charging module to move on the guide rail below the carrying surface according to the position of the device to be charged, where the charging range of the charging unit after the movement includes the position of the device to be charged, includes:

in step S41, the wireless charging module and the second direction guide rail under the carrying surface are driven to move along the first direction guide rail according to the position of the device to be charged.

In step S42, the moved charging unit in the wireless charging module is driven to move along the second direction track to the lower side of the device to be charged according to the position of the device to be charged.

The wiring and the charging plate are not arranged on the bearing surface, so that the problem that the bearing surface is messy due to the fact that the charging wiring is arranged on various bearing surfaces such as a table top or a workbench is solved. Wherein, the equipment to be charged is arranged above the bearing surface, and a guide rail is arranged below the bearing surface; the wireless module of charging can move along the guide rail, so, the wireless module of charging is aimed at with the equipment of waiting to charge on the loading face through the removal of self and position to promote charging efficiency.

The present embodiments also provide a non-transitory computer-readable storage medium comprising instructions. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.

A non-transitory computer readable storage medium having instructions therein, which when executed by a processor of a mobile terminal, enable the mobile terminal to perform a method of implementing wireless charging. The method comprises the following steps:

determining the position of equipment to be charged on a bearing surface;

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. A wireless charging system, comprising:

2. The wireless charging system of claim 1, wherein the guide rail further comprises:

the drive module still includes: a second drive assembly;

3. The wireless charging system of claim 2, further comprising:

4. The wireless charging system of claim 3, wherein the first directional track comprises:

the second direction track includes:

a second positive rail electrically connected to the first positive rail;

5. The wireless charging system of claim 1, wherein one of the wireless charging modules comprises: at least one charging unit; wherein the charging units each include: and a charging coil.

6. The wireless charging system of claim 1, further comprising:

7. A method for realizing wireless charging is characterized by comprising the following steps:

determining the position of equipment to be charged on a bearing surface;

8. The method of claim 7, wherein the wireless communication module comprises: at least three communication nodes which are positioned at preset positions and are not positioned on the same straight line;

9. The method of claim 8, wherein the determining the position of the device to be charged on the carrying surface according to the signal strength of the handshake signals received by at least three communication nodes and the positions of the three communication nodes comprises:

10. The method of claim 7, wherein the guide rail comprises: a first directional guide rail and a second directional guide rail; the first direction guide rail and the second direction guide rail intersect;

11. A non-transitory computer-readable storage medium, wherein instructions, when executed by a processor of a mobile terminal, enable the mobile terminal to perform the method of implementing wireless charging according to any one of claims 7 to 10.